AirHint found the following cheapest return flights from Calgary (YYC) to Prague (PRG) in August 2025 (see full year).

Return flights

17 Aug - 20 Sep	WestJet
18 Aug - 25 Aug	WestJet
02 Aug - 09 Aug	Condor
25 Aug - 30 Aug	Condor
07 Aug - 14 Aug	Condor
24 Aug - 05 Sep	WestJet
02 Aug - 11 Aug	WestJet
07 Aug - 15 Aug	Condor
03 Aug - 11 Aug	WestJet
16 Aug - 23 Aug	Alaska Airlines
02 Aug - 10 Aug	Condor
01 Aug - 10 Aug	WestJet

Also check the deals for one-way flights from Calgary to Prague in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Calgary to Prague in August from 644€

Return flights